What tip material is resistant to oxidation at high temperatures?
A) Tungsten
B) Hafnium
C) Copper
D) Brass
Correct Answer:
Verified
Q15: What may need to be done as
Q16: The electrode tip of a plasma torch
Q17: _ are good metals to gouge because
Q18: Manual plasma arc cutting is _.
A) suitable
Q19: The _ has a small, cone-shaped, constricting
Q21: A(n) _ is used to reduce the
Q22: The metal parts of a plasma torch
Q23: The spacing between the electrode tip and
Q24: Explain how high-frequency alternating current and a
Q25: All nontransfer-type plasma torches must have _.
A)
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